Drastic pollution case studies of entire complexes of alluvial deposits and water contained in them from polluted rivers have been recorded in more than one stream: beginning with the Sitnica to the Ibar, the Zapadna Morava and the Velika Morava to the Danube. A high phenol concentration (about 110 µg/l) in the Zapadna Morava in December 1983 affected the ground water reservoir - the source of Kruševac municipal water supply. Analysed samples indicated that phenol was transported by the Ibar River and its upstream tributary Sitnica from a coal gasification plant of a mine. Phenol concentrations were 364 µg in the Ibar at Kraljevo, 540 µg/l slightly more upstream, and up to 4000 µ.g/l upstream in the Sitnica near the source of pollution. Phenol concentrations in riparian ground water were even higher than in the rivers in some intervals. Nearly all sources were affected in the riparian zone downstream to the Danube. Occurrences of this pollutant in the ground water resources and certain experiences are considered in this paper.
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